Insurgents in Iraq killed at least nine people in attacks Sunday northeast of Baghdad.

Police say a roadside bomb killed four policemen and wounded nine in Baquba. In another town, Balad Ruz, police say a rocket attack on a policeman's house killed the man's brother and four children.

Military officials say on Saturday U.S. soldiers killed three gunmen who fired on a patrol in the northern town of Baiji.

In northern Iraq, police say the bodies of an elderly tribal leader, Ibrahim Ali al-Nuimei, and his son were found near the town of Kirkuk.

In a separate development, the trial of ousted leader Saddam Hussein is scheduled to resume Tuesday with a new presiding judge, and a Western diplomat says members of the former Baathist regime may testify.